Why has "it comes in 3s" taken on such an ominous tone? Think of all the good things that come in 3s. Fairy tale lessons, tricycle wheels, triplets, peas, the Mazda 3! While there are, of course, plenty of 3s to fill the good, the bad and the ugly in life, your Mazda 3 headlight bulbs are joys to behold. AutoAnything has 3 headlight bulbs that outshine the rest. That are at least 3 times whiter and cleaner in their illumination, last up to 3 times longer, and are 3 times more likely to make you smile. Click in now for the best in Mazda 3 headlight bulbs